千亿体育

千亿体育

材料失效有多恐怖?

千亿体育1986nian1yue28rishangwu11shi38fen,zaimeiguofoluolidazhoukaneiweilaerjiaodekennidihangtianzhongxin,“tiaozhanzhe”haohangtianfeijizhengzaijinxingtadedishicifashe,zaiwanzhongzhumuxia,“tiaozhanzhehao”zaifashejiashangdianhuoshengkong,yiqiekanqilaifeichangshunli。

“挑战者”号发射图(图源:搜狐网)


danzai73miaohou,zaishengkonggaodudadao16qianmihou,biangufasheng,“tiaozhanzhe”haobaozhajieti,baozhachanshengdedaliangcanhailuorudaxiyang,qimingyuhangyuanlinan,qizhongdiyiciyipingminshenfencanjiataikongfeixingdenvjiaoshimaikaolifuzhengzhunbeizaitaikongzhongxiangxueshengshouke。

“挑战者“号空中爆炸解体(图源:搜狐网)


zheiyikongnanshigudefashengzhongchuangledangshideyuhangshiye,shirenleihangkonghangtianshishangdeyidabeiju。shihoudiaochafaxian,baozhashiyoucegutaihuojiantuijinqishangmiandeyigeoxingfenghuanshixiaosuozhi。zheigeoxingfenghuanweiyuyoucegutihuojiantuijinqidelianggedicengbujianzhijian,youyufasheshitianqiqingkuangbujia,qiwenhendi,daozhioxingfenghuanzaidiwenxiashiqudanxing,yinghuacuilie,shixiaodefenghuanshiyuanbenyinggaishimifengdegutihuojianzhutuiqineidegaoyagaoreqitixielou,chiredeqitidianranlewaiburanliaoguanzhongderanliao,pilindewaiburanliaocangzaixielouchudehuoyandegaowenshaozhuoxiajiegoushixiao,zuizhongdaozhigaosufeixingdehangtianfeijizaigaokongjieti。

低温下失效的O型封环(图源:搜狐网)


该事故使得美国航空航天局(NASA)的航天飞机计划暂停了32个月,直到1988年9月29日,“发现”号航天飞机才发射升空。

yigexiaolingjianqueyinfaledabeiju,raneryouyuyigeguanjianlingjiancailiaodeshixiaoyinfadekongnanshijianbingbuhanjian!


01  DC-10客机空难事件

DC-10客机(图源:搜狐网)


千亿体育zai1979nian,huashengdunjichangqifeidedc-10kejiyinjiyiyinqingdegudingluoganduanliezaochengkejizhuihui,gongsiwang275ren,zhenggeguochengjin50miaozhong。ciwai,zaocheng1991nianji1992niansanciboyin747huojikongnanshijiandeyuanyinyeshiyouyuzhonglianggudingluoganduanlieshideliangjuyinqingdiaoluoqielachexiajiyi。


02  波音737客机空难事件

阿罗哈航空243号航班波音737-200型客机


1988nianaluohahangkong243haohangbanboyin737-200xingkejicongxiluoguojijichangqifei,zaiqianwangtanxiangshandefeixingguochengzhong,youyucanggaideqiangduyinyanzhongdefushihepilaoerjiangdi,jitiqianduanzuobianyixiaokuaitianhuabanbaolie,jicangshunjianshiya,daozhiyoujiashishihoufangyizhidaojiyifujindeyidakuaijicangtianhuabanbeisilieertuolijiti,suiran10duofenzhonghouqijidizaimaoyidaodekafuluyijichanganquanpojiang,danyouyimingjizurenyuanbuxingbeixichujicangwaisiwang。


03  EMB-120客机空难事件

事发后的EMB-120型支线客机


1995niandaxiyangdongnanhangkong529haohangbanbahanggongyeemb-120xingzhixiankejicongmeiguoyatelandahazifeierde-jiekexunjichangfeiwangmeiguogeerfubote-biluokexijichangguochengzhong,yinluoxuanjiangyepianbeilvzhaqinshidaozhipilaoduanlie,zhishizuocefadongjicanghejiyicemianbianxing,feijipojiangbucheng,zadaodimian,jishenbeishuailiechengliangban,houyouyuposuidefeijicanhaizhongdaochushicanyuranyou,ranyouyinfadahuo,zuizhongzheichangshiguyunan9ren。


千亿体育youshangshushilikejian,cailiaoshixiaoyinfadehouguoqingzeweijifeixinganquan,poshijiquntingfei,dapifeijihuofadongjiyaofanchangxiulihuanjian,zhongzeniangchengjihuirenwangdezainanxingfeixingshigu。yinci,shenrukaizhanshixiaofenxiheshixiaoyuyanjiu,duijishizhunquedichamingshigudexingzhiyuyuanyin,caiquyouxiaocuoshifangzhitongleishigudezhongfuchuxian,jiduituidongxinjishu、xincailiaohexingongyideyingyong,gaijinsheji、gaishanweixiuxinghetigaofeixinganquanxing、kekaoxingdeng,doujuyoushifenzhongyaodeyiyi。


1、飞机疲劳寿命规定的诞生

调查员整理“慧星”客机残骸(图源:航空之家)


千亿体育shijieshangzuizaochuxiandepenqishikejishiyingguode“huixing”keji。penqishikejishifeijidefeixinggaoduchaoguo4000mi,zuocangkaishijinxingzengya。1952-1954nianjian,you8jia“huixing”kejixianhouzhuihui,duicongshenhaizhongdalaochudefeijicanhaijinxingfenxi,zhaochulezuichupohuaidejiegoujian。houlaizaidimianjinxingledaguimodemonishiyan,bingjiangjishenfangrushuicaozhongjinxingzengyapilaoshiyan,zuizhongquedingshijishenjiegouzaigaokongfeixingzhongfashengpilaoduanlie。congci,xindefeijishejiguifanyaoqiufeijiyaojinxingzhengjipilaoshiyan,bingguidinggexingfeijiyingjichupilaoshouming。


2、飞机设计规范中刚度要求的诞生


千亿体育suizhefeijifeixingsududebuduanzengda,zi20shiji30niandaichuqiqidongzhanzhenwentiyuefayanzhong。yingguo“maoe”shijianjijijielian9cifashengzaigaoyayinsufeixingzhongjietishigu,shiguyuanyindiaochafaxianshigaoyayinsufeixingzhongjiyi、fangxiangduo、shengjiangduodoufashengguozhanzhen,zaochenggoujianduanlie,shirenmenrenshidaozhizengjiaqiangduerbuzengjiagangdushibunengjiejuezheileiwentide,congcizaifeijishejiguifanzhongzengjialeduigangdudeyaoqiu。


zi1903nian12yueshijieshangdanshengdiyijiafeijiyilai,hangkongshiyeyizouguole117niandelucheng,zaizheiyibaiduonianli,zaishixiaofenxidebansuixia,feijideanquanxingshuipingyoulexianzhudetigao。weilaisuizhehangkongqidefazhan,xinshebei、xincailiao、xingongyizaihangkongqishangbuduanyongxian,gengxuyaohangkonggongzuozhemenjizhongzhihui,caiyonggengjiaxianjindejianceshouduanhefenxijishu,laijiejueshixiaofenximianlindexinwenti,qiudexinfazhan。


来源:航空知识,作者:肖元


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